02-16-2009
Hi gauravacl,
PID is "1425492", and now i want to find the exact file which is bigger in size and also it is opened by the process id. But when i tried your option i am getting the output as below,
myserv123>lsof -p 1425492
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
sas 1425492 ampsys cwd VDIR 46,42001 0 4043309312 /home/usr/SAS/IntTech (/dev/vx/dsk/)
sas 1425492 ampsys 0r VCHR 2,2 0t0 16628 /dev/null
sas 1425492 ampsys 1w FIFO 0xf1000100b2a35eb0 0
sas 1425492 ampsys 2w FIFO 0xf1000100b2a35eb0 0
sas 1425492 ampsys 3u IPv4 0xf10002000cabc398 0t0 TCP *:* (CLOSED)
sas 1425492 ampsys 5u unix 0xf10002000cbc7008 0t0 ->0xf10002000142c408
sas 1425492 rampsys 8u unix 0xf10002000ce2d808 0t0 ->0xf10002000d809008
I can see many lines, i want the file which growing faster or the bigger one, which belongs to the process id.
My Problem and target is:
Have to find the biggest file or fastly growing file in the file system and from that take the process id and the file name (with complete path). Then my action is to send a mail to corresponding user and have to kill the process by process id and have to remove the file (bigger or growing one which belongs to the process id).
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LEARN ABOUT REDHAT
setsid
SETSID(2) Linux Programmer's Manual SETSID(2)
NAME
setsid - creates a session and sets the process group ID
SYNOPSIS
#include <unistd.h>
pid_t setsid(void);
DESCRIPTION
setsid() creates a new session if the calling process is not a process group leader. The calling process is the leader of the new session,
the process group leader of the new process group, and has no controlling tty. The process group ID and session ID of the calling process
are set to the PID of the calling process. The calling process will be the only process in this new process group and in this new session.
RETURN VALUE
The session ID of the calling process.
ERRORS
On error, -1 will be returned. The only error which can happen is EPERM. It is returned when the process group ID of any process equals
the PID of the calling process. Thus, in particular, setsid fails if the calling process is already a process group leader.
NOTES
A process group leader is a process with process group ID equal to its PID. In order to be sure that setsid will succeed, fork and exit,
and have the child do setsid().
CONFORMING TO
POSIX, SVr4.
SEE ALSO
setpgid(2), setpgrp(2)
Linux 1.0.0 1994-08-27 SETSID(2)